walk in freezer

[kc8939]

hi, just checked a unit that has subcooling of 10, is this about right unit has 401-b in it.running -8

[R12rules]

Your most important temp on that box is gonna be your overall system superheat.
Measured at the compressor service valve, six inches off the unit.

Should be between 20 and 40 degrees F.

Your sub cooling sounds about right though.